added simple requirements.txt
Initial python3k porting

The unit tests work for both python 2.7 and python 3.3. Problem is, the use
case defined in the README is not working properly... Although, it isn't
working either in the main branch.
fixed README.md indentation
parse torrent creation dates
Merge remote-tracking branch 'thekarangoel/master'
fallback to current datetime if we can't parse
fallback to current datetime if we can't parse
Merge branch 'urls'
Merge and improve remote-tracking branch 'jaormx/master'

Conflicts:
	tests/tests.py
	tpb/tpb.py
don't use relative imports in tests
Merge pull request #25 from unaizalakain/master

python 3k support and automatic torrent creation date parse